See this paper (Goldacre and MacKenna 2020).
Dictionary of Medicines and Devices
Figure. National prescribing of asthma biologics over time.
Figure. Regional prescribing of asthma biologics over time.
Figure. Total regional prescribing of asthma biologics.
Figure. Total prescribing of asthma biologics for 20 Trusts with the largest volume across all selected medications.